changed hex threshold on ints to 255

- and print it in *addition* to the decimal form
diff --git a/projects/SelfTest/ToStringVector.cpp b/projects/SelfTest/ToStringVector.cpp
index 4479060..c3a8d4e 100644
--- a/projects/SelfTest/ToStringVector.cpp
+++ b/projects/SelfTest/ToStringVector.cpp
@@ -9,8 +9,8 @@
     REQUIRE( Catch::toString(vv) == "{  }" );
     vv.push_back( 42 );
     REQUIRE( Catch::toString(vv) == "{ 42 }" );
-    vv.push_back( 512 );
-    REQUIRE( Catch::toString(vv) == "{ 42, 512 }" );
+    vv.push_back( 250 );
+    REQUIRE( Catch::toString(vv) == "{ 42, 250 }" );
 }
 
 TEST_CASE( "vector<string> -> toString", "[toString][vector]" )
@@ -57,8 +57,8 @@
     REQUIRE( Catch::toString(vv) == "{  }" );
     vv.push_back( 42 );
     REQUIRE( Catch::toString(vv) == "{ 42 }" );
-    vv.push_back( 512 );
-    REQUIRE( Catch::toString(vv) == "{ 42, 512 }" );
+    vv.push_back( 250 );
+    REQUIRE( Catch::toString(vv) == "{ 42, 250 }" );
 }
 
 TEST_CASE( "vec<vec<string,alloc>> -> toString", "[toString][vector,allocator]" ) {